GT7G GT7 info Original key: Y Stem diameter (B): 8.000mm Key length (A): 125.150mm Hole diameter (C): 4.700mm
XZ3B XZ3B info Material: Steel Original producer: ZEISS IKON (DE) Stem diameter (B): 7.000mm Key length (A): 85.800mm
DM49EX DM49 info Material: Nickel-plated brass Key length (A): 63.400mm Bit thickness (F): 2.350mm Blade length (G): 26.700mm Blade width (H): 9.400mm